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AHA-1510A/20A Series User’s Guide
AHA-1510A/20A Series User’s Guide
Stock Number: 510400-00, Rev. C Page: 2-4
Print Spec Number: 491842-00
Current Date: 11/18/94 ECN Date: 11/29/94
Jumper Block J5 Pin Pair Description
DT Set data transfer mode
DMA enabled = jumper
PIO (programmed I/O)✱ = no jumper
DMA transfer mo de is not suppo rted under
DOS or Windows. It is supported under
OS/2 on EISA-bus computers.
BT Enable/disable boot from host a dapter BIOS
Boot from host ada pter BIOS✱ = jumper
Do not boot from host adapt er = no jumper
M0 No jumper
M1 Enable/disable Fast SCSI
Fast SCSI on = jumper
Fast SCSI off✱ = no jumper
SN Enable/disable synchronous negotiation
Synchronous ne gotiation on ✱ = jumper
Synchronous negotiation off = no jumper
DN Enable/disable SCSI target disconnect
Permit Disconnects✱ = jumper
Do not permit Disconnect = n o jumper
R- Enab le/disable SCSI Floppy/Floptical support
SCSI Floppy/Floptical on = jumper
Floppy/Floptical off✱ = no jumper
R- En able /d isab le grea ter th an 1 GB translati on
> 1 GByte Translation on = jumper
> 1 GByte Translation off✱ = no ju mper
✱ Default setting
DT BT M0 M1SN DN R- R-
Default Setting